S10/T10 Blazer 2WD L4-121 2.0L VIN Y 2-bbl (1983)
Rocker Arm Assembly: Service and Repair
Rocker arm studs that have stress cracks or damaged threads should be replaced. If threads in cylinder head are damaged, the head can be retapped
and a helical type insert installed. When installing a new rocker arm stud, torque stud to 43-49 ft. lbs.
